The function of common chain extender and it 's application status in PVC resin production has been discussed.

讨论了常见扩链剂的功能及在聚氯乙烯树脂生产中的应用。

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While the three 19-year-olds offered slightly different details and time frames, a common chain of events emerges from their remarks to investigators as laid out in the FBI affidavit.

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Scan-as-you-go mobile devices are a logical next step after the self-checkout lanes that are now common in big food and drug chain stores.

WSJ: Mobile Checkout Devices Let People Scan and They Shop

The virus' genetic code was uncovered with one of the most common tests in biology, the polymerase chain reaction, or PCR.

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